Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISLIGHTING AND HORNSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSDRL RELAY CIRCUIT
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
DRL Relay Circuit
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION DRL Relay Circuit
DRL Relay Circuit
DESCRIPTION
The body ECU controls the DRL No.2 and DRL No.4 relays. The DRL No.2 and DRL No.4 relays installed in the power distributor.
System diagram of the power distributor.
System description of the power distributor.











INSPECTION PROCEDURE
DESCRIPTION
The body ECU controls the DRL No.2 and DRL No.4 relays. The DRL No.2 and DRL No.4 relays installed in the power distributor.
System diagram of the power distributor.
System description of the power distributor.
Wiring Diagram:
Step 1-2:
Step 3-4:
Step 5-6:
Step 6(Continued):
Step 6(Continued)-7:
Step 7(Continued):
Step 7(Continued)-8:
Step 9-10:
Step 11:
Step 12:
INSPECTION PROCEDURE
RENDER: 1.0x
NO RELATED
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Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.